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CVE-2018-0023— Junos Snapshot Administrator (JSNAPy) world writeable default configuration file permission

Quick assessment

Affected
Juniper Networks Junos Snapshot Administrator (JSNAPy)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Juniper JSNAPy是美国瞻博网络（Juniper Networks）公司的一套Junos Snapshot Administrator备份软件的基于Python的开源版本，它主要用于保存运行Junos操作系统的联网设备的运行时环境快照。 Juniper JSNAPy 1.3.0之前版本中存在权限许可和访问控制漏洞，该漏洞源于程序将默认配置和示例文件创建为全局可写入。本地攻击者可利用该漏洞修改文件。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.29% · P20
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I. Basic Information for CVE-2018-0023

Vulnerability Information
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Vulnerability Title
Junos Snapshot Administrator (JSNAPy) world writeable default configuration file permission
Source: CVE Program / CVE List V5
Vulnerability Description
JSNAPy is an open source python version of Junos Snapshot Administrator developed by Juniper available through github. The default configuration and sample files of JSNAPy automation tool versions prior to 1.3.0 are created world writable. This insecure file and directory permission allows unprivileged local users to alter the files under this directory including inserting operations not intended by the package maintainer, system administrator, or other users. This issue only affects users who downloaded and installed JSNAPy from github.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Juniper JSNAPy 权限许可和访问控制漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Juniper JSNAPy是美国瞻博网络（Juniper Networks）公司的一套Junos Snapshot Administrator备份软件的基于Python的开源版本，它主要用于保存运行Junos操作系统的联网设备的运行时环境快照。 Juniper JSNAPy 1.3.0之前版本中存在权限许可和访问控制漏洞，该漏洞源于程序将默认配置和示例文件创建为全局可写入。本地攻击者可利用该漏洞修改文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Juniper Networks Junos Snapshot Administrator (JSNAPy) all ~ 1.3.0 -

II. Public POCs for CVE-2018-0023

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III. Intelligence Information for CVE-2018-0023

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Vendor Advisories for CVE-2018-0023 (2)

Same Patch Batch · Juniper Networks · 2018-04-11 · 8 CVEs total

CVE-2018-0016 Junos OS: Kernel crash upon receipt of crafted CLNP datagrams
CVE-2018-0017 SRX Series: Denial of service vulnerability in flowd daemon on devices configured with NAT
CVE-2018-0018 SRX Series: A crafted packet may lead to information disclosure and firewall rule bypass d
CVE-2018-0019 Junos: Denial of service vulnerability in SNMP MIB-II subagent daemon (mib2d).
CVE-2018-0020 Junos OS: rpd daemon cores due to malformed BGP UPDATE packet
CVE-2018-0021 Junos OS: Short MacSec keys may allow man-in-the-middle attacks.
CVE-2018-0022 Junos OS: Mbuf leak due to processing MPLS packets in VPLS network.

IV. Related Vulnerabilities

Same vendor: Juniper Networks

V. Comments for CVE-2018-0023

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